La máquina de una fábrica de tornillos produce el 63% de la producción diaria mientras que la máquina b produce el 27% la máquina tiene una probabilidad del 1.5% de producir tornillos defectuosos la máquina b produce con 3% de defectuosos a) ¿cuál es la probabilidad de que al tomar un tornillo de la producción total y éste sea defectuoso?

b) ¿cuál es la probabilidad de que al tomar al azar un tornillo defectuoso éste haya sido producido por la máquina b?

Look at this system of equations. -3x + 3y = 12 y = x + 4 the solution set of this system is best explained by which of these statements? a) the graphs of the equations are the same line because the equations have the same slope and the same y-intercept. the system has infinitely many solutions. b) the graphs of the equations are parallel lines because they have the same slope but different y-intercepts. the system has no solution. c) the graphs of the equations are lines that intersect at one point because the equations have the same slope but different y-intercepts. the system has exactly one solution. d) the graphs of the equations are lines that intersect at one point because the equations have the same slope and the same y-intercept. the system has exactly one solution.